======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '53'
                                          'artist'  'Akercocke'
                                     'text_people'  ''
                                         'release'  'Antichrist'
                                           'title'  'Black Messiah'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive death metal', 'black metal', 'death metal', 'blackened death "
 "metal', 'progressive metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '113.453'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '2375555'
'COMM:Songs-DB_Custom2:XXX'                         '2375555'
'COMM:Songs-DB_Custom3:XXX'                         'MOSH347CD'
'COMM:Songs-DB_Custom4:XXX'                         'US'
'PRIV:AverageLevel:{\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x11\x00\x00')
'PRIV:PeakValue:¡x\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1x\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Antichrist'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2007'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.LATIN1: 0>, people=[['Bass: Peter Benjamin', ' Drums: David Gray'], [' Engineer: Karl Bareham', ' Engineer [Assistant Mix]: Adrian Breakspear'], [' Guitar: Jason Mendonca, Matt Wilcock', ' Management [Booking]: Sharon Richardson']])
'TIT2' (Title/songname/content description)         'Black Messiah'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akercocke'
'TPE2' (Band/orchestra/accompaniment)               'Akercocke'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Earache'
'TRCK' (Track number/Position in set)               '01'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.97'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['progressive death metal',
 'black metal',
 'death metal',
 'blackened death metal',
 'progressive metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.470813'

========================== row from database ==========================
                                              'id'  1396914
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00black/Akercocke - Antichrist/01 - Akercocke - Black Messiah.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  53
                                           'genre'  eid-metal-black
                                        'filesize'  2197376
                                           'mtime'  1620301305
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00black 01 eid metal black
                                      'tag_artist'  Akercocke
                                     'tag_release'  Antichrist
                                       'tag_title'  Black Messiah
                                             'bpm'  113.453
                                    'search_title'  'black':1 'messiah':2
                                   'search_artist'  'akercocke':1
                                  'search_release'  'antichrist':1
                                     'search_rest'  '00black':3 '00dwimp':1 '00metal':2 'black':6 'eid':4 'metal':5
                                    'search_combo'  '00black':7 '00dwimp':5 '00metal':6 'akercocke':3B 'antichrist':4C 'black':1A,10 'eid':8 'messiah':2A 'metal':9
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['progressive death metal', 'black metal', 'death metal', 'blackened death metal', 'progressive metal']
                                        'tag_date'  2007
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301304.6265182  (2021-05-06 13:41:44)
                             'size'  2197376